December weather forecastLittle Mountain, SC
December
Weather in December
The first month of the winter, December, is also a fresh month in Little Mountain, South Carolina, with an average temperature fluctuating between 55°F (12.8°C) and 40.5°F (4.7°C).Temperature
December is characterized by a mild reduction in the average high-temperature, from a refreshing 61.7°F (16.5°C) in November to a fresh 55°F (12.8°C). During the month of December, an average low-temperature of 40.5°F (4.7°C) is recorded.Humidity
With an average relative humidity of 77%, December is the most humid month.Rainfall
In Little Mountain, South Carolina, in December, during 11.1 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. Throughout the year, in Little Mountain, South Carolina, there are 149.3 rainfall days, and 29.84" (758mm) of precipitation is accumulated.Snowfall
April through December are months without snowfall.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:26 pm EST.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year in Little Mountain, South Carolina.UV index
The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 3 during December leads to these advisories:
Exercise prevention - Protecting skin and eyes from harm is required. To protect against the Sun's most potent rays, avoid direct exposure around midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Little Mountain, SC
- Average high temperature in December: 55°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (51.8°F).
- Average low temperature in December: 40.5°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in December
Little Mountain, SC
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Little Mountain, SC
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Little Mountain, SC
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in December
Little Mountain, SC
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
Little Mountain, SC
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (17.8 days).
The months with the least rainy days are October and November (8.3 days).
Average snowfall in December
Little Mountain, SC
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Little Mountain, SC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Little Mountain, SC
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Little Mountain, SC
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is July (11 days).
Average UV index in December
Little Mountain, SC
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Little Mountain, SC
- Average cloud cover in December: 42
The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are June and October (Cloud cover 29).
Average visibility in December
Little Mountain, SC
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
